A Cook County website that offers one-stop shopping for property tax information. The portal combines property tax information from the Cook County Assessor’s Office, the Board of Review, the Clerk’s Office, the Recorder of Deeds and the Treasurer’s Office into one unified site. This site allows residents to have online access to comprehensive information about their properties such as appeal or exemption opportunities or liens, saving time and making searching from property tax information more efficient.

Find the information you need to file, pay, and inquire about your income taxes; plus other money-related matters such as registering your business and property tax information. Note: Property tax exemption forms are not available on this site.

The Assessor’s website provides information and downloadable forms for programs run by the office such as Homeowner Exemption applications and Certificates of Error. It has information and forms for senior citizens who need to apply for senior assessment freezes and the Senior Exemption.

Find information on your property tax bill. To provide vital services to your community, the Treasurer's office is responsible for collecting $8 billion in revenue annually on behalf of 1,600 units of local government.

As the official record keeper of all judicial matters brought in the Circuit Court of Cook County, The Circuit Clerk’s office provides information, services and court records to facilitate your interaction with the Clerk of the Circuit Court and the court system.

The source for information about City services, departments, programs and initiatives and officials for Chicago-- including information on the Chicago Tax Assistance Center, a vigorous outreach program that educates and assists Chicago's families with available tax relief programs.

The International Association of Assessing Officers strives to provide innovation and excellence in property appraisal and property tax policy and administration. This link contains information for professional development, education, research and technical assistance. Individuals in the property assessment profession and others with an interest in property taxation will want to click on this site for the latest happenings.

Gain a better understanding about land policy, including land economics and land taxation on this Website. The Lincoln Institute of Land Policy seeks to improve the quality of debate and disseminate knowledge about critical issues in land policy by bringing together scholars, policy makers, practitioners and citizens with diverse backgrounds and experience.